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ASRock FM2A75 Pro4-M Motherboard
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.2, No. 30)
1. High Definition Audio supports Jack Sensing, but the panel
wire on the chassis must support HDA to function correctly.
Please follow the instructions in our manual and chassis
manual to install your system.
2. If you use an AC’97 audio panel, please install it to the front
panel audio header by the steps below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to
OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for HD audio panel only. You
don’t need to connect them for AC’97 audio panel.
E. To activate the front mic.
For Windows
®
XP OS:
Select “Mixer”. Select “Recorder”. Then click “FrontMic”.
For Windows
®
7 / 7 64-bit / Vista
TM
/ Vista
TM
64-bit OS:
Go to the "FrontMic" Tab in the Realtek Control panel.
Adjust “Recording Volume”.
This is an interface for the
front panel audio cable that
allows convenient connec-
tion and control of audio
devices.
System Panel Header
(9-pin PANEL1)
(see p.2, No. 21)
This header accommodates
several system front panel
functions.
Connect the power switch, reset switch and system status indica-
tor on the chassis to this header according to the pin assignments
below. Note the positive and negative pins before connecting the
cables.
English
